The ClearFog Base boot from UART when setting the DIP switches to 01001.
Unfortunately, the SPL code sometimes fails to detect the UART boot
method at run-time. Add an alternative SAR UART boot value to fix this.
Signed-off-by: Baruch Siach <bar...@tkos.co.il>
---
arch/arm/mach-mvebu/include/mach/soc.h | 1 +
arch/arm/mach-mvebu/spl.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/arch/arm/mach-mvebu/include/mach/soc.h
b/arch/arm/mach-mvebu/include/mach/soc.h
index 0900e4008c12..44bac63b4447 100644
--- a/arch/arm/mach-mvebu/include/mach/soc.h
+++ b/arch/arm/mach-mvebu/include/mach/soc.h
@@ -139,6 +139,7 @@
#define BOOT_DEV_SEL_MASK (0x3f << BOOT_DEV_SEL_OFFS)
#define BOOT_FROM_UART 0x28
+#define BOOT_FROM_UART_ALT 0x3f
#define BOOT_FROM_SPI 0x32
#define BOOT_FROM_MMC 0x30
#define BOOT_FROM_MMC_ALT 0x31
diff --git a/arch/arm/mach-mvebu/spl.c b/arch/arm/mach-mvebu/spl.c
index 3cf02a54cea2..4b9c41360589 100644
--- a/arch/arm/mach-mvebu/spl.c
+++ b/arch/arm/mach-mvebu/spl.c
@@ -42,6 +42,7 @@ static u32 get_boot_device(void)
return BOOT_DEVICE_MMC1;
#endif
case BOOT_FROM_UART:
+ case BOOT_FROM_UART_ALT:
return BOOT_DEVICE_UART;
case BOOT_FROM_SPI:
default:
--
2.14.1
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